Finding the Fourth Proportional to 3,908,055.98, 5,862,455.49 and 1,212,410.54
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Solution
The fourth proportional to 3,908,055.98, 5,862,455.49 and 1,212,410.54 is: 1,818,731.07
Step by Step Solution
- Step 1: Write the proportion equation
3,908,055.98 : 5,862,455.49 = 1,212,410.54 : x - Step 2: Convert to fraction form
3,908,055.98/5,862,455.49 = 1,212,410.54/x - Step 3: Cross multiply
3,908,055.98x = 5,862,455.49 × 1,212,410.54 - Step 4: Simplify right side
3,908,055.98x = 7,107,702,826,356.87 - Step 5: Solve for x
x = 7,107,702,826,356.87/3,908,055.98 - Step 6: Final answer
x = 1,818,731.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.